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BOSTON MARATHON 2025

Nicole Diaz

Bib: 9313•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #4463
Start → 5K
6:35/mi
20:27 split
10K· 6.21 mi
41:13
Rank: #4768 (-305)
5K → 10K
6:41/mi
20:46 split
15K· 9.32 mi
1:02:06
Rank: #4903 (-135)
10K → 15K
6:43/mi
20:53 split
20K· 12.43 mi
1:22:58
Rank: #4794 (+109)
15K → 20K
6:43/mi
20:52 split
Half· 13.11 mi
1:27:30
Rank: #4775 (+19)
20K → Half
6:39/mi
4:32 split
25K· 15.53 mi
1:43:50
Rank: #4666 (+109)
Half → 25K
6:44/mi
16:20 split
30K· 18.64 mi
2:05:10
Rank: #4433 (+233)
25K → 30K
6:52/mi
21:20 split
20M
2:14:41
Rank: #4378 (+55)
30K → 20M
7:00/mi
9:31 split
21M
2:22:19
Rank: #4434 (-56)
20M → 21M
7:38/mi
7:38 split
35K· 21.75 mi
2:27:25
Rank: #4394 (+40)
21M → 35K
6:49/mi
5:06 split
23M
2:36:05
Rank: #4275 (+119)
35K → 23M
6:55/mi
8:40 split
24M
2:42:49
Rank: #4180 (+95)
23M → 24M
6:44/mi
6:44 split
40K· 24.85 mi
2:48:40
Rank: #4113 (+67)
24M → 40K
6:51/mi
5:51 split
25.2M
2:51:18
Rank: #4109 (+4)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
2:58:11
Rank: #4088 (+21)
25.2M → Finish
6:45/mi
6:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:30
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3820:276:3520:27
6:35
-
10K
6.21 mi11:06:2441:136:3820:46
6:41
+0:06
15K
9.32 mi11:27:171:02:066:4020:53
6:43
+0:02
20K
12.43 mi11:48:091:22:586:4120:52
6:43
0:00
Half
13.11 mi11:52:411:27:306:404:32
6:39
-0:04
25K
15.53 mi12:09:011:43:506:4116:20
6:44
+0:05
30K
18.64 mi12:30:212:05:106:4321:20
6:52
+0:08
20M
20.00 mi12:39:522:14:416:449:31
7:00
+0:08
21M
21.00 mi12:47:302:22:196:477:38
7:38
+0:38
35K
21.75 mi12:52:362:27:256:475:06
6:49
-0:49
23M
23.00 mi13:01:162:36:056:478:40
6:55
+0:06
24M
24.00 mi13:08:002:42:496:476:44
6:44
-0:11
40K
24.85 mi13:13:512:48:406:475:51
6:51
+0:07
25.2M
25.20 mi13:16:292:51:186:482:38
7:38
+0:47
Finish
26.22 mi13:23:222:58:116:486:53
6:45
-0:53

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:35 /mi

Average Pace

6:48 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:55

94% of race

Time at Steady Pace

10:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:45:3820:276:3520:27
6:35
#4463
10K
6.21 mi11:06:2441:136:3820:46
6:41
#4768
15K
9.32 mi11:27:171:02:066:4020:53
6:43
#4903
20K
12.43 mi11:48:091:22:586:4120:52
6:43
#4794
Half
13.11 mi11:52:411:27:306:404:32
6:39
#4775
25K
15.53 mi12:09:011:43:506:4116:20
6:44
#4666
30K
18.64 mi12:30:212:05:106:4321:20
6:52
#4433
20M
20.00 mi12:39:522:14:416:449:31
7:00
#4378
21M
21.00 mi12:47:302:22:196:477:38
7:38
#4434
35K
21.75 mi12:52:362:27:256:475:06
6:49
#4394
23M
23.00 mi13:01:162:36:056:478:40
6:55
#4275
24M
24.00 mi13:08:002:42:496:476:44
6:44
#4180
40K
24.85 mi13:13:512:48:406:475:51
6:51
#4113
25.2M
25.20 mi13:16:292:51:186:482:38
7:38
#4109
Finish
26.22 mi13:23:222:58:116:486:53
6:45
#4088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi44632592595308(Top 19%)395(Top 3%)395(Top 7%)
10K6.21 mi3.10 mi4768-305297-38297-385228(Top 18%)363(Top 3%)363(Top 7%)
15K9.32 mi3.11 mi4903-135317-20317-205308(Top 19%)395(Top 3%)395(Top 7%)
20K12.43 mi3.11 mi4794+109312+5312+54601(Top 16%)315(Top 3%)315(Top 6%)
Half13.11 mi0.68 mi4775+193123124888(Top 17%)336(Top 3%)336(Top 6%)
25K15.53 mi2.42 mi4666+109306+6306+64403(Top 16%)313(Top 3%)313(Top 6%)
30K18.64 mi3.11 mi4433+233282+24282+243875(Top 14%)286(Top 2%)286(Top 5%)
20M20.00 mi1.36 mi4378+55284-2284-24140(Top 15%)339(Top 3%)339(Top 6%)
21M21.00 mi1.00 mi4434-56308-24308-245312(Top 19%)687(Top 6%)687(Top 13%)
35K21.75 mi0.75 mi4394+40307+1307+14257(Top 15%)438(Top 4%)438(Top 8%)
23M23.00 mi1.25 mi4275+119296+11296+113363(Top 12%)294(Top 2%)294(Top 5%)
24M24.00 mi1.00 mi4180+95295+1295+13173(Top 11%)299(Top 2%)299(Top 5%)
40K24.85 mi0.85 mi4113+67298-3298-33095(Top 11%)302(Top 2%)302(Top 6%)
25.2M25.20 mi0.35 mi4109+4300-2300-24099(Top 14%)577(Top 5%)577(Top 11%)
Finish26.22 mi1.02 mi4088+21302-2302-24257(Top 15%)612(Top 5%)612(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5308

Females

395

F18-39

395

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5228

Females

363

F18-39

363

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5308

Females

395

F18-39

395

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4601

Females

315

F18-39

315

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4888

Females

336

F18-39

336

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4403

Females

313

F18-39

313

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3875

Females

286

F18-39

286

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4140

Females

339

F18-39

339

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5312

Females

687

F18-39

687

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4257

Females

438

F18-39

438

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3363

Females

294

F18-39

294

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3173

Females

299

F18-39

299

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3095

Females

302

F18-39

302

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4099

Females

577

F18-39

577

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4257

Females

612

F18-39

612

Passing Analysis

Category:
Athletes Passed
1372
Passed By
997
Net Change
+375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4463
5K → 10K63368-305#4463#4768
10K → 15K67202-135#4768#4903
15K → 20K17869+109#4903#4794
20K → Half3213+19#4794#4775
Half → 25K15546+109#4775#4666
25K → 30K27037+233#4666#4433
30K → 20M9742+55#4433#4378
20M → 21M51107-56#4378#4434
21M → 35K6424+40#4434#4394
35K → 23M13112+119#4394#4275
23M → 24M10611+95#4275#4180
24M → 40K7710+67#4180#4113
40K → 25.2M2218+4#4113#4109
25.2M → Finish5938+21#4109#4088
TOTALS1372997+375
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing